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Old 6th August 2006, 21:26   #1
NIP
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Unhappy Trouble with JBL !!

guys...i just installed my ICE a few days back and i'm in trouble already ! :((
last evening i was out with a few friends and we were pushing my ICE to the limits for a while...now my rear GTO937 coaxials seem to vibrate even at low volumes and the db cut-off buttons on both speakers are stuck in the 'out' position !! what is happening....?! can someone help please....?!!!! heres my setup config:

Pioneer 5xxx HU
Pioneer 6500 Equalizer (i like controls upfront!)
JBL GTO 937 Coaxials (rear)
JBL GTO 607 Components (front)
JBL GT 74.4 Amp (for subs + rear coax)
Pioneer 402 amp (for components)
2 Kenwood 500w Subs
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Old 6th August 2006, 21:32   #2
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Quote:
Originally Posted by NIP
guys...i just installed my ICE a few days back and i'm in trouble already ! :((
last evening i was out with a few friends and we were pushing my ICE to the limits for a while...now my rear GTO937 coaxials seem to vibrate even at low volumes and the db cut-off buttons on both speakers are stuck in the 'out' position !! what is happening....?! can someone help please....?!!!! heres my setup config:

Pioneer 5xxx HU
Pioneer 6500 Equalizer (i like controls upfront!)
JBL GTO 937 Coaxials (rear)
JBL GTO 607 Components (front)
JBL GT 74.4 Amp (for subs + rear coax)
Pioneer 402 amp (for components)
2 Kenwood 500w Subs
PM Sam he might be able to help.

also when you get your system up again use the 402 for the rear and the 75.4 for the front and subs.
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Old 6th August 2006, 21:41   #3
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Hi Navin.. why the recommendation to use the 402 for the rear and the 75.4 for the front and subs ? Just curious
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Old 6th August 2006, 21:49   #4
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It moves the soundstage to the front. the 402 is puny compared the the 75.4.
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Old 6th August 2006, 22:06   #5
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navin...i did PM Sam already...no reply yet. theres a support section on the JBL site, but they dont have any information on the GTO937 as it is a new model...!! could not find any other groups or discussions on this either...will go to my installer tomm and check what he has to say. you think i might have blown the speakers by any chance ?! :(

also...i'm actually very happy with the 402 powering my components in the front...in fact i cant believe its doing such a good job. i have an analog pio eq with a fader that helps shift the back/front soundstage very nicely too. anyways...will try what u're suggesting as well...
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Old 6th August 2006, 22:08   #6
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I dont think you have blown your speakers but it might be that you have damaged the spider. the 75.4 is a huge amp and I am sure that the speakers were distorting a lot before you turned it down.
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Old 6th August 2006, 22:16   #7
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was your amp tuned properly? its no joke!

got warranty? use it if kaput
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Old 6th August 2006, 22:20   #8
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whats the spider ?! can it be replaced ?!
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Old 6th August 2006, 22:54   #9
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Quote:
Originally Posted by NIP
whats the spider ?! can it be replaced ?!
i dont know what has happen to your speaker but some pics would be help ful to see the problem... anyways here is a simple layout of a speaker....taken from this site......http://www.bcae1.com/


Last edited by low_bass_makker : 6th August 2006 at 22:58.
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Old 7th August 2006, 09:59   #10
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Quote:
Originally Posted by NIP
whats the spider ?! can it be replaced ?!
Technically it can but few companies offer this service as it is diffuclt and might be (in cost of labour) as costly as a new speaker.
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Old 7th August 2006, 15:49   #11
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Hi NIP

I've answered your PM. It seems that you have possible blown your speakers,this happens esp if you are using an equalizer.

Unfortunately, not much can be done from my end, as it was bought without B&W.
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Old 7th August 2006, 16:09   #12
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Quote:
Originally Posted by Sam Kapasi
Hi NIP

I've answered your PM. It seems that you have possible blown your speakers,this happens esp if you are using an equalizer.

Unfortunately, not much can be done from my end, as it was bought without B&W.
Well the man has spoken... now you know why B&W is important... sorry you had to learn this the hard way...
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Old 7th August 2006, 16:20   #13
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Quote:
Originally Posted by Sam Kapasi
Hi NIP

I've answered your PM. It seems that you have possible blown your speakers,this happens esp if you are using an equalizer.

Unfortunately, not much can be done from my end, as it was bought without B&W.
How can this be avoided ?? not the B&W part .. the blowing up part. Can somebody please explain the fundaes behind this..
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Old 7th August 2006, 16:38   #14
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sam...i can understand the B&W part....but what abt the buttons gettin stuck ?! i've written to JBL too and i've got no reply in 2 days !!
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Old 7th August 2006, 16:59   #15
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Quote:
Originally Posted by NIP
sam...i can understand the B&W part....but what abt the buttons gettin stuck ?! i've written to JBL too and i've got no reply in 2 days !!
That's strange. This is the first time I'm hearing about buttons getting stuck. Didn't you check this before you installed the speakers? Isn't that the rule, especially so when buying without warranty?

If anyone could have helped you, it would be Sam. JBL themselves would have little help to offer since you're speaker is already malfunctioning now, I would suppose. But since you don't have a warranty, I don't see anything that Sam can do either.

You can't change just the spider. Minimum, all soft moving parts. Plus you need an expert with necessary fixtures to center and pop one in.

One thing you can try is, take the speakers out and check if there is any mechanical damage, like part of the spider/ surround coming undone or something. Just gluing that could solve the problem. If it's the coil, you need new speakers, no options.

By the way, God Bless
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